Home / 75,081,937-103,613,073.06-40,743,121

Finding the Fourth Proportional to 75,081,937, 103,613,073.06 and 40,743,121

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Solution

The fourth proportional to 75,081,937, 103,613,073.06 and 40,743,121 is: 56,225,506.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,081,937 : 103,613,073.06 = 40,743,121 : x
  2. Step 2: Convert to fraction form
    75,081,937/103,613,073.06 = 40,743,121/x
  3. Step 3: Cross multiply
    75,081,937x = 103,613,073.06 × 40,743,121
  4. Step 4: Simplify right side
    75,081,937x = 4,221,519,972,865,420.50
  5. Step 5: Solve for x
    x = 4,221,519,972,865,420.50/75,081,937
  6. Step 6: Final answer
    x = 56,225,506.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.